I Y Pearson

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Semiquantitative culturing of catheter tips has been used as an index of catheter-related bacteremia. As the sensitivity and predictive values of this test have not been determined, we studied 780 tips from central vein catheters inserted into 440 critically ill patients in an intensive care unit. The results were correlated with clinical data for 30(More)
Arteriovenous fistula is a rare complication of lumbar disc surgery and there is often a delay in diagnosis. A patient who developed multi-system failure associated with an aortocaval fistula, which occurred following a lumbar disc operation, is presented in this study. Surgical repair was facilitated by the use of total cardiopulmonary bypass which enabled(More)
The diagnosis of brain death is important for many reasons. Clinical testing may not be feasible, so that cerebral angiography is needed to confirm circulatory arrest. Angiography is, however, cumbersome and expensive. We present the results of transcranial Doppler (TCD) studies on the middle cerebral arteries of 40 patients with brain death. In six, no(More)
The interpretation of clinical tests for brain death is often complicated by the presence of facial trauma, or the use of barbiturate therapy for reduction of intracranial pressure. We propose a non-invasive technique--transcranial Doppler (TCD) sonography for the diagnosis of brain death. One hundred and forty comatose patients, 111 of whom were believed(More)
A questionnaire survey of 69 families of brain dead patients is reported. The study population included those who had been asked about organ donation as well as those who had not, those who had agreed to organ donation and those who had declined. Their experiences and their perceptions of treatment and explanations of underlying disease, brain death and(More)
A questionnaire survey was carried out to examine the attitudes and practices of Australian and New Zealand intensivists with regard to brain death and organ donation. A return rate of 82.5% was achieved. Fifty-eight per cent had written evidence of their own wishes to donate organs and 94% would agree to donation from a dependent. At least one intensivist(More)
Cerebral blood flow velocity was monitored in 50 patients with severe head injury (GCS 8 or less) within 24 h of injury and at least once daily thereafter, using transcranial Doppler ultrasonography (TCD). Delayed post-traumatic vasospasm occurred in 20, and cerebral hyperemia in another 15. Doppler velocities were higher in vasospasm, which also lasted(More)
We report three cases of propranolol overdose in two patients, both of whom suffered cardiovascular collapse after receiving an emetic compound in a hospital's casualty department. Such a collapse may be caused by vagal activity in the presence of sympathetic beta-blockade. We recommend the administration of atropine, which may increase vagal tone, before a(More)
OBJECTIVES To measure the potential for cadaver organ retrieval in New South Wales and to determine the reasons for potential donors failing to become actual donors. DESIGN Prospective audit of all patients dying in five hospitals in New South Wales between 1 December 1989 and 30 November 1990; quality assurance of the data by independent medical(More)